Upgrade to Eclipse EGit 2025-12

Upgrade to 2025-06

Update to 2024-12 (#60)

Upgrade to 2024-06 (#56)

This also adds the tm4e for generic syntax highlighting.
Fixes #55

Update to 2023-12

Update to Eclipse and EGit 2023-09

Update to Eclipse and EGit 2023-06

Update to Eclipse and EGit 2022-12

Update to Eclipse and EGit 2022-06

Merge pull request #16 from eclipsesource/update-2021-12

Update to 2021-12